If an effect destroys a Sanctuary during your own turn, do you immediately win if it is your opponent's last Sanctuary, or do all effects and phases finish first?
inferred
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Official Answer
I don't know based on the rulebook.
The provided rulebook context explains what happens when a Sanctuary is destroyed (remove it from the game and put it back inside the box; page 20) and how phases and effects are resolved, but it does not specify the victory conditions or when a player wins the game. There is no information in the provided context about whether the game ends immediately when a player's last Sanctuary is destroyed, or if all effects and phases must finish first.
To answer this question, the rulebook would need to include a section on victory conditions or the timing of game end.
Source: Core Rulebook (pp. 11, 20, 22, 24, 26)